SEPTEMBER 19, 2026
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Case File

CVE-2026-74942

HIGH · CVSS 8.8 EPSS 0.30%

Source: NVD + CISA KEV + EPSS · Published 2026-08-18 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

A privilege escalation vulnerability exists in the Remote Settings Client component of Firefox, allowing attackers to gain elevated permissions. This flaw has a high severity rating (CVSS 8.8) and can lead to unauthorized access or manipulation of sensitive data. Organizations using affected versions of Firefox should prioritize updating to the fixed releases to mitigate potential security risks.

CVE
CVE-2026-74942
Severity
HIGH
CVSS
8.8
EPSS
0.30%
Firefox

Original NVD Description

Privilege escalation in the Remote Settings Client component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

Related CVEs

Other vulnerabilities affecting the same vendor(s)

CVE-2026-84642 HIGH CVE-2026-84641 HIGH CVE-2026-84640 HIGH CVE-2026-84639 CRITICAL CVE-2026-84637 CRITICAL CVE-2026-84145 HIGH